a26a159e77cd8e8de80abc7dfb3d175097300d7be2aa5e6ff03cdde8c4d39709

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
15/06/2024, 00:22

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General

Target
a26a159e77cd8e8de80abc7dfb3d175097300d7be2aa5e6ff03cdde8c4d39709.pdf
Size 147KB
Sample240615-any6kasdmf
SHA256 a26a159e77cd8e8de80abc7dfb3d175097300d7be2aa5e6ff03cdde8c4d39709
MD5 f993cb5bd3a72bb36905f22893560e01
SHA1 f29d97cec4260feb1d2c5f6b20bb2472df873d5c
SHA512 2329851b7d7cec671b5269441b3858f2a9204f8a6030f3401ce94fc611fd39bbd508ac0eb4d7b9eaf4950394d593427e03ead18af44c65021b7f144403cdb052
SSDEEP 3072:VUUqt1Tj7U041smWl8Vb3M3TNwM5DCemou6XFHHHS7Xs1:SUqtBj7T52R3M35PJdzv
MD5 SHA1 SHA512 SSDEEP

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3169499791-3545231813-3156325206-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
216	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe
216	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 216 wrote to memory of 2132	216	AcroRd32.exe	85
PID 216 wrote to memory of 2132	216	AcroRd32.exe	85
PID 216 wrote to memory of 2132	216	AcroRd32.exe	85
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 1176	2132	RdrCEF.exe	86
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87
PID 2132 wrote to memory of 3332	2132	RdrCEF.exe	87

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\a26a159e77cd8e8de80abc7dfb3d175097300d7be2aa5e6ff03cdde8c4d39709.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:216
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=991A020D040DF9ACFBB8CB24FB80C277 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1176
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=86F8B09242ACC2D20B5DBDFE8C00AA83 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=86F8B09242ACC2D20B5DBDFE8C00AA83 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3332
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=5A9ED9616CAC395BA182D85B11FB2E32 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2180
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=53160FC103203160103AC5610E9F1E22 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1284
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=3B6587A14E3D6652C1FF7B9C683E8B92 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=3B6587A14E3D6652C1FF7B9C683E8B92 --renderer-client-id=6 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1864
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=56B3E7842486EE602262F114C056AE3E --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 1550c219566aebcc5b887051365be043a1675b29a4b7e2a8b4371b4b19014a3d
MD5 ec97cd95c06fb436e640948e95e1a135
SHA1 acfe3cbcd6b5336bf0dcf9a9b2e38b57f9060a6b
SHA512 44fbfd0a9d2533e69ce8d7b225b68c3f1050a4a9b39328a9aaa646eac8232cf421c06e0ca09f78bd1f965d92a9fdc6c4a49a3f63e459a480a76346295cb79423
SSDEEP 384:yecdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:v+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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